Govett, G. J. S., & Govett, M. H. (1976). World mineral supplies: Assessment and perspectives. Elsevier.
Chicago Edition CitationGovett, G J S., and M H. Govett. World Mineral Supplies: Assessment and Perspectives. Amsterdam: Elsevier, 1976.
MLA Edition CitationGovett, G J S., and M H. Govett. World Mineral Supplies: Assessment and Perspectives. Elsevier, 1976.
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